Finding the Fourth Proportional to 752,170.05, 1,127,194.18 and 415,362.33
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Solution
The fourth proportional to 752,170.05, 1,127,194.18 and 415,362.33 is: 622,457.65
Step by Step Solution
- Step 1: Write the proportion equation
752,170.05 : 1,127,194.18 = 415,362.33 : x - Step 2: Convert to fraction form
752,170.05/1,127,194.18 = 415,362.33/x - Step 3: Cross multiply
752,170.05x = 1,127,194.18 × 415,362.33 - Step 4: Simplify right side
752,170.05x = 468,193,999,928.83 - Step 5: Solve for x
x = 468,193,999,928.83/752,170.05 - Step 6: Final answer
x = 622,457.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.